| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 342028000 | By motion detection | 62 |
| 20080303709 | Radar System For Monitoring Targets in Different Distance Ranges - In a radar system for monitoring targets in different distance ranges, radar pulses are emitted whose length is greater than the length corresponding to the propagation time between two objects to be distinguished from one another, located at different distances. On the receive side the high-frequency signal supplied to the radar transmit pulse former and the radar receive signal are supplied to a mixer. The output signal of the mixer is supplied to a signal analyzer via at least one sampler, whose delay setting with respect to the rising edge of the radar transmit pulse predefines the limit of reach of the distance range to be monitored. | 12-11-2008 |
| 20090058711 | METHOD OF AND SYSTEM FOR MONITORING SECURITY OF CONTAINERS - A system for monitoring the integrity of a container having at least one door. The system includes a data interpretation device disposed inside the container. The system further includes a radar sensor interoperably connected to the data interpretation device for monitoring internal conditions of the container and for providing radar data to the data interpretation device, a motion-detection sensor for monitoring motion inside the container, and an antenna interoperably connected to the data interpretation device for communicating information relative to the internal conditions of the container to a location outside the container. | 03-05-2009 |
| 20090066558 | Sensor for Detecting Moving Object with the Aid of a Ultrabandwidth Sounding Signal - In the first embodiment, the inventive sensor comprises first and second antennas, a pulse generator provided with two outputs, wherein the first output thereof is connected to the input/output of the first antenna and the second output is connected to the input/output of the second antenna. The output circuit of the sensor consists of two detectors, wherein the input of the first detector is connected to the input/output of the first antenna and the input of the second detector is connected to the input/output of the second antenna. The output of the first detector is connected to the first input of a differential amplifier whilst the output of the second detector is connected to the second input thereof. The output of the differential amplifier is connected to the low frequency filter and to a feedback device whose output is connected to one of the inputs of the differential amplifier. The output of the low frequency filter is connected to a comparator input. In the second variant, the input circuit of the sensor consists of two detectors each of which is provided with two inputs. The first output of the pulse generator is connected to the input/output of the first antenna and to the second input of the first detector. The input/output of the first antenna is connected to the first input of the second detector whilst the second output of the pulse generator is connected to the second input of the second detector though a delay circuit. | 03-12-2009 |
| 20090079615 | DIRECTION OF TRAVEL MOTION DETECTOR WITH AUTOMATIC GAIN CONTROL - Disclosed is a microwave direction of travel detector and method of doing the same. The microwave direction of travel detector comprising, a microwave transceiver for transmitting and receiving a microwave signal directed toward a protected area for outputting a Doppler signal when a moving target is detected, an amplifier chain including one or more amplifiers coupled to the microwave transceiver for receiving and amplifying the Doppler signal from the microwave transceiver, wherein at least one amplifier having variable gain and; a controller for sampling an output gain of each variable gain amplifier and for controlling each variable gain amplifier by adjusting a gain of each variable gain amplifier to keep the Doppler signal level constant and to avoid saturation of each said variable gain amplifier. If the output gains of each variable gain amplifier is increasing or decreasing the controller indicates a direction of travel. | 03-26-2009 |
| 20090160697 | SYSTEM AND METHOD FOR REDUCING INTERFERENCE IN MICROWAVE MOTION SENSORS - A microwave sensor comprises an oscillator configured to generate a microwave signal at a pre-determined frequency, and an antenna configured to transmit the microwave signal and/or to receive reflected signals. The antenna is linear polarized at 45 degrees and the transmitted microwave signal has an electric field at 45 degrees to the plane of the horizontal. The microwave sensor further includes a signal processor coupled to the antenna and configured to process the reflected signals to determine a presence of a moving object. | 06-25-2009 |
| 20090160698 | ANTI-INTERFERENCE MICROWAVE MOTION SENSOR - A microwave motion sensor for protecting an area comprises an oscillator configured to generate a plurality of microwave signals, a random pulse generator configured to set a random pulse period for each transmitted microwave signal, an antenna configured to transmit the microwave signals and to receive reflected signals, and a signal processor coupled to the antenna through other circuitry, said signal processor is configured to process the reflected signals to determine a presence of a moving object in the protected area. | 06-25-2009 |
| 20090167590 | METHOD AND SYSTEM FOR PRESENCE DETECTION - A method and system for presence detection within a detection volume delimited by an inner radius and an outer radius using microwave radiation. The outer radius of the detection volume is controlled by selecting the length of a first pulse controlling the transmit interval of a microwave transmitter and by selecting the length of a third pulse controlling the receive interval of a microwave receiver. The inner radius of the detection volume is controlled through selecting the length of a second pulse defining a predetermined time period between the first pulse and the third pulse. | 07-02-2009 |
| 20090231180 | Method for detecting a target - A method of detecting a target in a scene comprises the steps of generating a comparison of the value of data elements in first and second data sets, the data elements corresponding to returns from the same part of the scene and setting a detection threshold value for the comparison so as to detect targets entering said that part of scene The method provides improved target detection in the presence of clutter. | 09-17-2009 |
| 20090278726 | Method and Apparatus for Representing and Classifying Microwave Back-Projection Radar Signals - A moving object is classified by transmitting, by a linear array of transmit antenna elements, a microwave into a surveillance area. A scattered microwave backprojected from a moving object is received by a linear array of receive antenna elements. Features are extracted from the scattered microwave related to a spiral evolution of the scattered microwave. The moving object is then classified as one of a set of possible classes according to the extracted features, and an alarm signal can be generated indicating the selected class. | 11-12-2009 |
| 20090295620 | RADAR SYSTEM - Electronically steered radar systems such as frequency scanning radars are particularly suitable for detecting and monitoring slow moving, ground-based targets. So-called crawler radar systems are intended for detection of targets that deliberately attempt to avoid detection by keeping low and by moving slowly. Disclosed is a radar system which includes an electronically steered antenna and a receiver arranged to process signals received from a target located at a distance from the radar system so as to identify a Doppler frequency associated with the target. The antenna stares at, rather than glides past, the target surrounding clutter. This means that the spectral spreading of static ground clutter associated with mechanical radar systems can be eliminated, overcoming one of the shortcomings of mechanical radar systems that would otherwise render a crawler radar system unsuitable for Doppler processing. | 12-03-2009 |
| 20090303100 | Motion Detection Systems Using CW Radar in Combination With Additional Sensors - Whether or not the CW radar is utilized for through-the-wall detection, additional one or more sensors are used with the CW radar to confirm the motion detection result or to in fact turn on the CW radar once motion or the physical presence of an individual has been sensed, thereby to provide confirmation of a less-reliable sensor with the use of the more reliable CW radar. Thus, the addition of other sensors provides lower power consumption, lower false alarm rates and better discrimination and classification of moving objects. | 12-10-2009 |
| 20090303101 | MICROWAVE DIRECTION SENSING PLANAR SENSOR - A microwave transceiver used in a microwave motion detector for detecting the direction of movement of a moving object in a detection area. The microwave transceiver has a multilayered design with an oscillator/mixer card and an antenna card bonded together, with a ground plane sandwiched between the cards. The oscillator/mixer card and the antenna card both have surface mounted elements. The oscillator circuit of the oscillator/mixer card has a surface mounted transistor chip wire bonded in the oscillator circuit, and a pair of signal mixer circuits each having a surface mounted chip wire bonded in the circuits for generating Doppler signals. The oscillator/mixer card further has a signal phase shifter circuit for shifting the phase of a reflected signal inputted to one of the signal mixers. The Doppler signals generated by the mixers are utilized to determine a direction of movement of the moving object. | 12-10-2009 |
| 20090315754 | METHOD AND RADAR SYSTEM FOR COHERENT DETECTION OF MOVING OBJECTS - The present invention provides a coherent radar system based on a modification of standard non-coherent radar without Moving Target Indication. Typical radars in this class are Navigation radars which are mass produced with low cost components. These radars utilize a magnetron in the transmitter which is a random phase device. In the present invention, the received signal is extracted just prior to amplitude detection process (where phase information is lost), and digitized using an analogue to digital converter providing coherent detection based on correlation between the transmitted pulse and the received signal. | 12-24-2009 |
| 20100026552 | Man-Portable Counter Mortar Radar System - The present invention is a man-portable counter-mortar radar (MCMR) radar system that detects and tracks enemy mortar projectiles in flight and calculates their point of origin (launch point) to enable and direct countermeasures against the mortar and its personnel. In addition, MCMR may also perform air defense surveillance by detecting and tracking aircraft, helicopters, and ground vehicles. MCMR is a man-portable radar system that can be disassembled for transport, then quickly assembled in the field, and provides 360-degree coverage against an enemy mortar attack. MCMR comprises an antenna for radiating the radar pulses and for receiving the reflected target echoes, a transmitter that produces the radar pulses to be radiated from the antenna, a receiver-processor for performing measurements (range, azimuth and elevation) on the target echoes, associating multiple echoes to create target tracks, classifying the tracks as mortar projectiles, and calculating the probable location of the mortar weapon, and a control and display computer that permits the operation of the radar and the display and interpretation of the processed radar data. | 02-04-2010 |
| 20100052972 | MOVING OBJECT DETECTION SYSTEM - A moving object detection system is provided with an existence detection part, an integrating part and an existence judgment part. Based on first and second detection signals, the existence detection part calculates a rotation angle of each transition factor that is obtained from the first and second detection signals and rotates around the origin in a two-dimensional coordinate system. The existence detection part is configured so that the rotation angle becomes less than 90 degrees. The integrating part integrates each rotation angle to obtain an integrated angle. The existence judgment part judges whether or not a moving object approaching or leaving a receiver of the device exists in a detection area based on the integrated angle and a threshold angle. | 03-04-2010 |
| 20100103020 | MICROWAVE MOTION DETECTORS UTILIZING MULTI-FREQUENCY RANGING AND TARGET ANGLE DETECTION - A method of detecting a moving target within a predefined protected region with a microwave motion detector, by transmitting microwave frequency signals and receiving the microwave frequency signals reflected by a target. A target distance is then determined from the received microwave frequency signals, and a target angle is determined from the received microwave frequency signals. Then, a target location is determined from the target distance and the target angle, and an alarm condition is set if the target location is within the predefined protected region. | 04-29-2010 |
| 20100103021 | METHOD AND RADAR ARRANGEMENT FOR MONITORING A MONITORING AREA - In the case of a radar arrangement for monitoring a monitoring area ( | 04-29-2010 |
| 20100109934 | DOPPLER RADAR MOTION DETECTOR FOR AN OUTDOOR LIGHT FIXTURE - A motion detector system includes the ability to detect motion through the use of a Doppler radar sensor or a combination of PIR sensors and a Doppler radar sensor. The system includes an outdoor light fixture having one or more lamps and a housing coupled to the outdoor light fixture. The housing includes a Doppler radar sensor and a microprocessor for analyzing the signals received by the Doppler radar sensor. Alternatively, the housing includes a combination of PIR sensors and a Doppler radar sensor and a microprocessor for analyzing the signals received from these sensors. The lamps in the light fixture are activated when either the PIR sensor or the Doppler radar sensor generates a signal indicating motion within the monitored area. Alternatively, the lamps can be activated when either the PIR sensor or the Doppler radar sensor senses predetermined number of motion activities over a limited time period. | 05-06-2010 |
| 20100207804 | RADAR METHOD AND APPARATUS SUITABLE FOR USE IN MULTIPATH ENVIRONMENTS - A method and system for locating objects in a region having a high degree of multipath susceptibility comprises a plurality of transducers, each being a transmit or receive antenna, and being arranged about the region in known locations, to form a bistatic or multistatic radar, with some embodiments being MIMO systems. Signals transmitted by the transmit antenna(s) are received at each receive antenna and processed to form a set of channel impulse responses, or power delay profiles, representative of the region at a given time. A second set is formed at a different time, and the difference between the two sets is calculated, the difference containing information on movement within the region. The difference may be processed to localise the moving object(s) by graphical means, e.g. by generating an x-y image representative of the region, and accumulating at each pixel appropriate values of the profile difference selected according to the propagation delay between a transmit-receive antenna pair via a region point represented by the pixel. | 08-19-2010 |
| 20100214151 | RADAR DEVICE AND ECHO DATA PROCESSING DEVICE - A radar device includes an antenna, from which a detection signal is transmitted while the antenna being rotated and by which a reflective wave of the transmitted detection signal is received to detect echo data, wherein image data is generated based on the detected echo data, a continuity detecting module for detecting a planer continuity of the currently detected echo data with respect to a pixel concerned in the image data, a behavior data generating module for generating behavior data indicative of a behavior of the echo data for a predetermined number of scans of the past in the pixel concerned based on behavior determination data, and an echo kind determining module for determining a kind of the echo data of the pixel concerned based on the planer continuity and the behavior data. | 08-26-2010 |
| 20100245152 | DISMOUNT HARMONIC ACCELERATION MATCHED FILTERING FOR ENHANCED DETECTION AND DISCRIMINATION - A process for detecting the harmonic motion characterizing a desired target. An exemplary method includes generating a radar image of the target utilizing a pulse doppler radar. A plurality of matched filter signals are generated in the receiver, each matched filter signal corresponding to a doppler profile of harmonic acceleration for the desired target. The matched filter signals are generated by an array of matched filters, with each matched filter signal corresponding to a predetermined doppler profile. The received radar image is then correlated to the matched filter signals to detect the desired target. | 09-30-2010 |
| 20100283660 | ANTI-MASK MOTION SENSOR - A motion sensing method and apparatus includes a housing enclosing a microwave motion sensor including an antenna, and a security system. The antenna may be a patch antenna which includes microwave radiating elements for transmitting and receiving a microwave signal for sensing motion. A reflector is attached to the housing and positioned above the antenna for downward shaping of the microwave signal. The microwave radiating elements together with the reflector provide a radiation pattern where a main beam is transmitted in a direction orthogonal to a surface of the antenna and a sided lobe is transmitted downward in amplitude below the microwave motion sensor. An alarm circuit indicates when the microwave sensor detects motion in armed mode, and a masking circuit indicates when the microwave sensor detects motion in a mask zone when the security system is unarmed. A second sensor may be positioned beneath the microwave motion sensor. | 11-11-2010 |
| 20100321229 | Biometric radar system and method for identifying persons and positional states of persons - Embodiments of a biometric radar system and method for identifying a person's positional state are generally described herein. In some embodiments, the biometric radar includes phase adjusters to phase adjust a sequence of radar return signals received through two or more receive antennas to force coherency against stationary objects and remove at least some phase noise due to the stationary objects. The biometric radar also includes a signal processor to segment the phase adjusted radar return signals into a plurality of multi-resolutional Doppler components. Each multi-resolutional Doppler component may be associated with one of a plurality of biometric features. The biometric radar system also includes a neural network to combine and weight the segmented radar returns for each biometric feature to generate weighted classifications for a feature extraction process. Biometric radar system may determine whether the person is walking, talking, standing, sitting, or sleeping. | 12-23-2010 |
| 20110032139 | METHOD FOR HUMAN ONLY ACTIVITY DETECTION BASED ON RADAR SIGNALS - A method of detecting human presence includes using a radar sensor to monitor a space, and receiving an output signal from the radar sensor. A Fourier transform is performed on the output signal to produce a signal spectrum. It is decided whether the output signal is indicative of human activity dependent upon at least one acoustic feature of the signal spectrum and at least one spectral feature of the signal spectrum. | 02-10-2011 |
| 20110057828 | Mapping Method Implementing a Passive Radar - The invention relates to a mapping method implementing a radar used in passive mode. It is possible to use such a radar for locating an object likely to reflect an electromagnetic wave transmitted by a transmitter the position of which is known. Movable objects ( | 03-10-2011 |
| 20110057829 | WIRELESS SENSOR DEVICE - A wireless sensor device includes a transmission signal generation unit that generates a frequency-spread high frequency transmission signal such that a transmission frequency is continuously increased and decreased with a predetermined period, a transmitter antenna that radiates the high frequency transmission signal, a receiver antenna that receives a reflected wave from an object having received the high frequency transmission signal, and outputs a frequency-spread high frequency reception signal, a mixer circuit that receives a part of the high frequency transmission signal as a first frequency-spread high frequency signal, receives the high frequency reception signal as a second frequency-spread high frequency signal, and outputs a DC beat signal by operating as a phase detector when frequencies of the first and second signals coincide with each other, and a DC component extraction circuit that extracts the DC beat signal from an output signal of the mixer circuit. | 03-10-2011 |
| 20110140949 | MIMO RADAR APPARATUS AND WIRELESS COMMUNICATION METHOD USING THE SAME - Provided are a multiple-input multiple-output (MIMO) radar apparatus and a wireless communication method using the same. The MIMO radar apparatus includes a transmitter generating and transmitting different signals having a frequency modulated continuous wave (FMCW) form to a moving object as a target through transmitting antennas of a transmitting antenna array respectively, and a receiver receiving echo signals which are the signals transmitted through the transmitting antennas and reflected from the moving object through receiving antennas of a receiving antenna array respectively. At least one of the transmitting antenna array and the receiving antenna array is a planar antenna array. | 06-16-2011 |
| 20110148688 | COMBINED RADAR AND COMMUNICATIONS LINK - In a CW radar system for detecting motion behind a wall involving modulation of the radar transmission, means are provided to interrupt the CW wave when motion is detected and to use the same radar transmitter to transmit a serial digital message to a remote monitoring receiver. The encoding can include a receiver wakeup message to turn on the receiver only when motion has been detected. In one embodiment, a microprocessor is used to detect when motion exists behind a wall and to provide a tailorable message to modulate the radar's transmitter in the period when the CW signal from the radar is turned off after motion detection. | 06-23-2011 |
| 20110148689 | PASSIVE RADAR FOR PRESENCE AND MOTION DETECTION - A passive detector ( | 06-23-2011 |
| 20110163907 | Selectable filed motion detector - A detection field selectable motion sensor that includes a modulator having a output with a shaped response to received radiation emissions forming a detection field and a sensor configured to detect the output from the modulator. The motion sensor can be configured with a set of lenses that can be aligned with the sensor. Further, the motion sensor can be an active sensor that transmits electromagnetic radiation which is detected after reflection from a detection field. Infrared radiation is the preferred source of received and transmitted radiation but microwave or visible light can be used. For an active motion detection either coherent or incoherent radiation can be used. The motion sensor includes a means for mounting and a hinge or swivel for orientating the sensor. | 07-07-2011 |
| 20110175766 | THREE DIMENSIONAL NONCONTACT MOTION SENSOR - A non-contact motion sensor comprising a radar detector that includes a first antenna, a second antenna that is orthogonal to the first antenna and a third antenna that is orthogonal to the first antenna and the second antenna. The non-contact motion sensor further includes a control that collects and analyzes signals that are received from the radar detector. | 07-21-2011 |
| 20110227779 | Activating Motion Detectors - A method and apparatus for activating a motion detector. An electromagnetic signal is transmitted in a form of a beam. The beam is configured to activate the motion detector when the beam encounters the motion detector. The beam is moved to a location in which the motion detector is present such that the motion detector activates. | 09-22-2011 |
| 20110254724 | Array of UHF Radar Bases for Protecting Sensitive Zones Against Intrusions - A system for protecting sensitive zones includes detection bases disposed in such a way that each base performs the monitoring of a part of the limit of the protected zone. To each base n is allocated a frequency channel of width B′ centred on a frequency F | 10-20-2011 |
| 20110304496 | EFFECTIVE MARINE STABILIZED ANTENNA SYSTEM - An effective marine stabilized antenna system, in terms of antenna to radome size and antenna/RF performance complies with all relevant worldwide SatCom regulations. The combination of a dual offset Gregorian antenna (DOGA) with a stabilized polarization over elevation over tilt over azimuth pedestal, and a control/stabilization algorithm, ensures antenna orientation restrictions guarantee compliance with side-lobe intensity regulations. Operating a dual offset Gregorian antenna substantially within a pre-determined antenna cut range of a 45 degree angle relative to a configuration of the antenna and a relative position of a target provides antenna performance that complies with applicable SatCom regulations, despite having to flip the antenna 90 degrees to continue tracking the satellite. | 12-15-2011 |
| 20120001787 | Method for Estimating an Object Motion Characteristic From a Radar Signal, a Computer System and a Computer Program Product - The invention relates to a method for estimating an object motion characteristic from a radar signal. The method comprises the step of receiving radar data of an object from a multiple beam radar system. Further, the method comprises the steps of associating radar data with estimated height and/or cross-range information of object parts causing the corresponding radar data and fitting an object model with radar data being associated with a selected estimated height and/or cross-range information interval. The method also comprises the step of determining an object motion characteristic from the fitted object model. | 01-05-2012 |
| 20120026029 | MOTION DETECTION SYSTEM AND METHOD WITH NULL POINTS - A motion detection system and method with null points with a motion detection method including transmitting a signal ( | 02-02-2012 |
| 20120182172 | Detecting Shopper Presence in a Shopping Environment Based on Shopper Emanated Wireless Signals - Tracking systems and methods for tracking shoppers in a shopping environment are provided. The systems include at least one receiver configured to receive wireless transmissions from a remote source and a data analyzer configured to receive data from the at least one receiver and to determine statistical data corresponding to the shoppers. The methods include receiving a wireless signal within a band transmitted from a mobile transmitter in a shopping environment, and transmitting tracking data corresponding to reception of the wireless signal to a data analyzer. | 07-19-2012 |
| 20120235850 | MOBILE OBJECT DETECTING APPARATUS - A mobile object detecting apparatus includes first radiation detecting means ; and second radiation detecting means for radiating an electromagnetic wave having the same frequency as the electromagnetic wave radiated by the first radiation detecting means such that the radiated electromagnetic wave passes near a point in the first radiation detecting means from which the electromagnetic wave is radiated, and detecting a standing wave which is generated due to reflection of the radiated electromagnetic wave at an object; wherein a distance, over which the electromagnetic wave radiated by the first radiation detecting means travels until it reaches near the first radiation detecting means, corresponds to a distance of an integral multiple of a wave length of a half cycle of the electromagnetic waves radiated by the radiation detecting means plus a wave length of a predetermined period which is smaller than the half cycle. | 09-20-2012 |
| 20120274498 | Personal electronic device providing enhanced user environmental awareness - A personal electronic device is configured to provide enhanced user awareness of the environment responsive to data from a micro-impulse radar (MIR). | 11-01-2012 |
| 20130044020 | RADAR SYSTEM AND METHOD FOR PROVIDING INFORMATION ON MOVEMENTS OF OBJECT'S SURFACE - A system for producing an output signal representing movement of an object's surface has a continuous wave (CW) signal source for producing an CW signal directed at the object's surface. The CW signal is produced at a first frequency. A receiving element receives a signal reflected from the object's surface when the CW signal hits this surface. A down-converting frequency mixer converts the received signal into a signal of a second frequency lower than the first frequency. The frequency mixer is configured to produce an output signal representing an amplitude-modulated (AM) component of the received signal and having a parameter representing movement of the object's surface. | 02-21-2013 |
| 20130106644 | ULTRA LOW POWER HOMODYNE MOTION SENSOR | 05-02-2013 |
| 20130135137 | DEVICE, SYSTEM AND METHOD FOR MEASURING VITAL SIGNS - In order to provide means for measuring vital signs such as heart rate, breathing rate, pulse forms, that allow accurate and unobtrusive signal acquisition and that are automatically adjusted to varying positions of an area of interest within a pre-determined area, a device, a system and a method for measuring vital signs are provided, wherein electromagnetic signals such as microwave or radar are emitted and reflected electromagnetic signals are sensed with directional sensitivity by a transceiving unit and wherein a direction of interest is determined based on the sensed reflected signals and a primary direction of sensitivity (300) of the transceiving unit is adjusted to the direction of interest by a control unit. Thus, vital signs can be monitored in an unobtrusive and simple way. | 05-30-2013 |
| 20130328712 | SYSTEMS AND METHODS FOR DETECTING A CHANGE IN POSITION OF AN OBJECT - A system for detecting a change in position of at least one object within an at least partially enclosed space, the system including at least one transmitter repeatedly producing at least two mutually distinguishable standing waves in the at least partially enclosed space at mutually exclusive and mutually alternating times, at least one receiver receiving reflected energy of the at least two mutually distinguishable standing waves, the reflected energy from the at least two mutually distinguishable standing waves having mutually different amplitudes which have a difference therebetween, and a computerized processor receiving outputs from the at least one receiver and calculating changes in the difference between the mutually different amplitudes, which changes indicate the change in position of the at least one object. | 12-12-2013 |
| 20140125510 | METHOD FOR DETECTING THE MOTION OF OBJECT BY ULTRA-WIDEBAND RADAR IMAGING AND SYSTEM THEREOF - A method for detecting the motion of object by ultra-wideband radar imaging and system thereof to be used to present the motion of object in a reference gray-level image by using the delay time to analyze the distance between the detected position of object and the detecting position to compare the time-varying distance variation between the reference distance and the detecting distance. The system includes a transmitter module, a receiver module and a signal processing module. The transmitter module is used to transmit a first ultra-wideband signal from a detecting position to the object. The receiver module is used to receive a second ultra-wideband signal reflected from the object in the detecting position. The signal processing module is used to analyze the signal delay time of the second ultra-wideband signal received in the detecting position to analyze the detecting distance between the second ultra-wideband signal and the detecting position. | 05-08-2014 |
| 20140159941 | DEVICE FOR DETECTING INTRUDING OBJECTS, AND METHOD FOR DETECTING INTRUDING OBJECTS - Provided is a device for detecting intruding objects that enables the detection of intruding objects without requiring antenna switching. Delay units ( | 06-12-2014 |
| 20140247179 | MOTION DETECTOR DEVICE - The present invention relates to a motion detector device comprising a receiver arranged for reception of at least one electromagnetic signal constituted by a corresponding transmitted electromagnetic signal being transmitted by a corresponding source and influenced by a corresponding channel. The motion detector device comprises predetermined information regarding each transmitted electromagnetic signal. The motion detector device further comprises analyzing means arranged to analyze all components of the received signal to determine how certain parameters of each transmitted electromagnetic signal are influenced by each corresponding channel by means of the predetermined information. The analyzing means is also arranged to analyze the temporal variation of said certain parameters during a certain time. It is determined if said temporal variation exceeds a predetermined threshold. | 09-04-2014 |
| 20140253363 | MOVING OBJECT DETECTING APPARATUS, MOVING OBJECT DETECTING METHOD, AND COMPUTER READABLE RECORDING MEDIUM - There is provided an apparatus that detects a moving object which includes an interface unit to receive, from a radar, measurement data of a distance from the radar and a reception level signal reflected by an object located at the distance from the radar; a background data updating unit to detect the reception level signal that is greater than or equal to a first threshold from each of a plurality of the measurement data, a background value that indicates a generation frequency for levels of the reception level signal that become greater than or equal to the first threshold; a moving object detecting unit to detect the object as a moving object, the object having the background value that is less than a background value of a stationary object that is located in same distance of the object. | 09-11-2014 |
| 20140292555 | FULL-WAVE RECEIVER ARCHITECTURE FOR THE HOMODYNE MOTION SENSOR - A homodyne motion sensor or detector based on ultra-wideband radar utilizes the entire received waveform through implementation of a voltage boosting receiver. The receiver includes a receiver input and a receiver output. A first diode is connected to the receiver output. A first charge storage capacitor is connected from between the first diode and the receiver output to ground. A second charge storage capacitor is connected between the receiver input and the first diode. A second diode is connected from between the second charge storage capacitor and the first diode to ground. The dual diode receiver performs voltage boosting of a RF signal received at the receiver input, thereby enhancing receiver sensitivity. | 10-02-2014 |
| 20140306839 | ELECTROMAGNETIC DETECTION AND IMAGING TRANSCEIVER (EDIT) AND ROADWAY TRAFFIC DETECTION SYSTEM - An automatic frequency control is used to keep a continuous wave (CW) transmission tuned to the resonant frequency of a resonant microwave patch antenna (RMPA). Changes in loading and the bulk dielectric constant of the mixed media in front of the RMPA will affect its resonant frequency and input impedance. A significant shift in the measured input impedance is interpreted as an object moving nearby, and the phase angle of the measured input impedance is used to estimate the direction of an object's movement. | 10-16-2014 |
| 20140361920 | COOPERATIVE INTRUSION DETECTION - Systems, methods, and devices for cooperative intrusion detection are described herein. For example, one or more embodiments include completing a radar scan with a network of outer perimeter radar nodes, detecting an intrusion event with the network of outer perimeter radar nodes, notifying at least one inner perimeter radar node in a network of inner perimeter radar nodes of the intrusion event, activating the at least one inner perimeter radar node from an idle mode in response to the notification of the intrusion event, and completing a radar scan with the at least one inner perimeter radar node upon activation. | 12-11-2014 |
| 20150084805 | Detection Techniques - Some embodiments are directed to techniques that mitigate the problems of range walk where fast moving objects are detected using pulsed target detection systems having relatively long dwell times. A pulse generator for a pulsed target detection system controls generation of a series of pulses to be transmitted by the target detection system. The time between pulses and pulse characteristics are controlled such that any range migration due to target movement in the time between pulses of said series is substantially equal and opposite to any variation in range-Doppler coupling between the pulses due to said target movement. By controlling the transmitted pulses in this way, any potential variation in range cell due to target motion is offset by an equal and opposite variation in range-Doppler coupling, whatever the target radial velocity. The techniques are particularly applicable to radar systems. | 03-26-2015 |
| 20150138010 | Remote Sensing Using MIMO Systems - A technique for sensing a moving object within a physical environment using a MIMO communication link includes generating a channel matrix based upon channel state information of the MIMO communication link. The physical environment operates as a communication medium through which communication signals of the MIMO communication link propagate between a transmitter and a receiver. A spatial information variable is generated for the MIMO communication link based on the channel matrix. The spatial information variable includes spatial information about the moving object within the physical environment. A signature for the moving object is generated based on values of the spatial information variable accumulated over time. The moving object is identified based upon the signature. | 05-21-2015 |
| 20160001728 | METHOD AND DEVICE FOR DETECTING THE PRESENCE OF OBJECTS IN A PASSENGER COMPARTMENT OF A VEHICLE - A method and device for detecting the presence of objects in a passenger compartment of a vehicle, wherein electromagnetic signals are radiated into the passenger compartment. The signals are reflected in accordance with at least one object property of at least one object that is present in the passenger compartment. The reflected signals are received and are evaluated with regard to the at least one object property. The method is performed by a vehicle-to-X communication device that communicates wirelessly. | 01-07-2016 |
| 20160025846 | MULTI-SENSOR SURVEILLANCE SYSTEM FOR MONITORING A SPACE AND DETECTION OF OBJECTS - Embodiments of surveillance systems for detecting the presence of unallowed objects in a predetermined restricted space are disclosed. In some embodiments, a surveillance system detects the presence of unallowed objects in a restricted space including a radar having a data output and further having an electromagnetic wave transmitter having at least two output antennas commutated to the transmitter output by means of transmitter switch, an electromagnetic wave receiver having an output and at least two input antennas commutated to the receiver input by means of receiver switch, a control unit operating said transmitter and receiver switches to select a pair of one input antenna and one output antenna at any given time, a video camera adapted to take successive image frames of the restricted space, a signal processor having a radar data input, a camera data input and output, and a storing device connected to the signal processor. | 01-28-2016 |
| 20160025847 | STATE RECOGNIZING DEVICE, STATE RECOGNIZING METHOD, AND RECORDING MEDIUM - Provided is a state recognizing device including: a first filter unit performing a filtering process on a time-series signal obtained by performing remote measuring on a space, in accordance with a first cutoff frequency to allow a signal component deriving from movement of a biological organism to pass through; a second filter unit performing a filtering process on the time-series signal in accordance with a second cutoff frequency to allow a signal component based on biological information to pass through; an amplitude-component extracting unit extracting a first feature quantity related to an amplitude component from a signal passed through the first and/or second filter units; a frequency-component extracting unit extracting a second feature quantity related to a frequency component from a signal passed through the first and/or second filter units; and a recognizing unit recognizing a state of the space by using the first and second feature quantities. | 01-28-2016 |
| 20160084951 | SYSTEM AND METHOD FOR RECOGNIZING A MOTION BY ANALYZING A RADIO SIGNAL - A system for recognizing motion by analyzing a radio signal includes: a radio signal transmitter configured to transmit a radio signal; a radio signal receiver configured to receive the transmitted radio signal; and a motion recognition processing device configured to: i) analyze the received radio signal, ii) extract and classify a gesture from the analyzed radio signal, iii) recognize the extracted and classified gesture, and iv) perform vehicle device control based on the recognized gesture. | 03-24-2016 |
| 20160103212 | DETECTING LOW-SPEED CLOSE-RANGE VEHICLE CUT-IN - A vehicle system includes an input device interface and a processing device. The input device interface receives a radar signal. The processing device defines a region of interest between a host vehicle and a front vehicle, detects that a potential cut-in vehicle has entered the region of interest, and selects the potential cut-in vehicle as the new front vehicle. The vehicle system may be incorporated into an autonomous or partially autonomous vehicle. | 04-14-2016 |
| 20160154096 | Intrusion Detector and Method for Improved Sensitivity | 06-02-2016 |
| 20160154099 | OBJECT DETECTION APPARATUS AND ROAD MIRROR | 06-02-2016 |
| 20160178741 | BIDIRECTIONAL BISTATIC RADAR PERIMETER INTRUSION DETECTION SYSTEM | 06-23-2016 |
| 20160200276 | RADAR SENSING OF VEHICLE OCCUPANCY | 07-14-2016 |
| 20160377714 | SIGNAL PROCESSING DEVICE - The signal processing device processes a sensor signal from a radio wave sensor. The parameter adjuster changes a parameter for adjusting detection sensitivity of an object for a recognition process. The parameter adjuster sets the parameter to increase the detection sensitivity of the object when the sensitivity level set by the level setter is a high level, and sets the parameter to decrease the detection sensitivity of the object when the sensitivity level set by the level setter is a low level. | 12-29-2016 |
